Commit bd690dfa authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

dt-bindings:iio:adc:maxim,max1027: Pull out to separate binding doc. 



The afe/voltage-divider.yaml example uses this device with 2 properties
not provided by trivial-devices.yaml (spi-max-frequency and #io-channel-cells)

Solve that by creating a more specific binding doc.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Philippe Reynes <tremyfr@yahoo.fr>
Link: https://lore.kernel.org/r/20201031181242.742301-8-jic23@kernel.org
parent ce66e52b

Documentation/devicetree/bindings/iio/adc/maxim,max1027.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/adc/maxim,max1027.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Maxim MAX1027 and similar ADCs



maintainers:

  - Miquel Raynal <miquel.raynal@bootlin.com>

  - Philippe Reynes <tremyfr@yahoo.fr>



description: |

  300ks/s SPI ADCs with temperature sensors.



properties:

  compatible:

    enum:

        # 10-bit 8 channels

      - maxim,max1027

        # 10-bit 12 channels

      - maxim,max1029

        # 10-bit 16 channels

      - maxim,max1031

         # 12-bit 8 channels

      - maxim,max1227

         # 12-bit 12 channels

      - maxim,max1229

         # 12-bit 16 channels

      - maxim,max1231



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  spi-max-frequency:

    maximum: 10000000



  "#io-channel-cells":

    const: 1



required:

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    #include <dt-bindings/interrupt-controller/irq.h>

    spi {

       #address-cells = <1>;

       #size-cells = <0>;

        maxadc: adc@0 {

            compatible = "maxim,max1027";

            reg = <0>;

            #io-channel-cells = <1>;

            interrupt-parent = <&gpio5>;

            interrupts = <15 IRQ_TYPE_EDGE_RISING>;

            spi-max-frequency = <1000000>;

        };

    };

...

Documentation/devicetree/bindings/trivial-devices.yaml

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@@ -122,18 +122,6 @@ properties: 
          - maxim,ds1803-050

            # 100 kOhm digital potentiometer with I2C interface

          - maxim,ds1803-100

            # 10-bit 8 channels 300ks/s SPI ADC with temperature sensor

          - maxim,max1027

            # 10-bit 12 channels 300ks/s SPI ADC with temperature sensor

          - maxim,max1029

            # 10-bit 16 channels 300ks/s SPI ADC with temperature sensor

          - maxim,max1031

            # 12-bit 8 channels 300ks/s SPI ADC with temperature sensor

          - maxim,max1227

            # 12-bit 12 channels 300ks/s SPI ADC with temperature sensor

          - maxim,max1229

            # 12-bit 16 channels 300ks/s SPI ADC with temperature sensor

          - maxim,max1231

            # Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs

          - maxim,max1237

            # 10-bit 10 kOhm linear programable voltage divider